MARWAN, M.; TUWANKOTTA, J. M.; HARJANTO, E. Application of Lagrange Multiplier Method for Computing Fold Bifurcation Point in A Two-Prey One Predator Dynamical System. Journal of the Indonesian Mathematical Society, [S. l.], v. 24, n. 2, p. 7–19, 2018. DOI: 10.22342/jims.24.2.595.7-19. Disponível em: https://jims-a.org/index.php/jimsa/article/view/595. Acesso em: 8 aug. 2022.